Illinois DeKalb County LaSalle County
Somonauk
A village in DeKalb County, Illinois — population 1,860 as of 2020.
Home city
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Cities
stops being your city.
Somonauk takes over news, events and the map.
This Afternoon
65°F
Sunny
Tonight
43°F
Clear then Patchy Fog
Saturday
68°F
Patchy Fog then Sunny
Saturday Night
45°F
Mostly Clear
In and around Somonauk
Somonauk changes faster than we can keep up.
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Somonauk by the numbers
Population
1,860Population figure, 2020
Households & income
- Area
- 2.48 sq mi (6.43 km²), 0.01 sq mi water
- Median age
- 45.6
- Households
- 659
- Persons per household
- 2.4
- Median household income
- $84,583
- Median house value
- $234,400
Municipal office
- Office
- VILLAGE TRUSTEE
- Address
- PO BOX 218, SOMONAUK, IL 60552